dify
MCPNOASSERTION
Open-source LLM app development platform for building AI workflows, RAG pipelines, and agents.
153k·LLM Ops·Open source
Viper
MCPOpen sourceOpen-source red teaming platform with AI agent, multi-platform support, and 100+ MITRE ATT&CK modules.
5.3k
Adversary simulation and Red teaming platform with AI
Pros
- +Free and open-source alternative to expensive commercial C2 frameworks
- +Supports Windows, Linux, and macOS implants
- +Built-in LLM agent for automated decision-making
- +Over 100 post-exploitation modules covering MITRE ATT&CK
Cons
- −Requires cybersecurity expertise to operate effectively
- −May be flagged by antivirus due to its nature
- −Limited community support compared to commercial products
Target audience: Red teamers and penetration testers seeking a free, AI-enhanced adversary simulation platform.
Related tools
Other open-source tools that share tags with Viper.
open-webui
MCPNOASSERTION
Self-hosted AI platform with chat UI, RAG, plugins, and multi-model support.
150k·Self-Hosted AI·Open source
Alternative to
crawl4ai
MCPApache-2.0
Open-source web crawler that turns any website into clean, LLM-ready Markdown for RAG and AI agents.
84k·Developer Tools·Open source
Alternative to
worldmonitor
MCPAGPL-3.0
Open-source real-time global intelligence dashboard with AI news aggregation, geopolitical monitoring, and infrastructur
83k·MCP Servers·Open source
Alternative to
Scrapling
MCPBSD-3-Clause
Adaptive web scraping framework with anti-bot bypass, auto-relocating selectors, and scalable crawling.
75k·Developer Tools·Open source
Alternative to
headroom
MCPApache-2.0
Open-source context compression layer for AI agents, cutting tokens 60-95% for JSON and 15-20% for coding.
67k·LLM Ops·Open source